Home / 18,725,022.08-28,079,557.76-7,357,496.64

Finding the Fourth Proportional to 18,725,022.08, 28,079,557.76 and 7,357,496.64

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Solution

The fourth proportional to 18,725,022.08, 28,079,557.76 and 7,357,496.64 is: 11,033,111.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725,022.08 : 28,079,557.76 = 7,357,496.64 : x
  2. Step 2: Convert to fraction form
    18,725,022.08/28,079,557.76 = 7,357,496.64/x
  3. Step 3: Cross multiply
    18,725,022.08x = 28,079,557.76 × 7,357,496.64
  4. Step 4: Simplify right side
    18,725,022.08x = 206,595,251,871,885.94
  5. Step 5: Solve for x
    x = 206,595,251,871,885.94/18,725,022.08
  6. Step 6: Final answer
    x = 11,033,111.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.